<script setup>
import { getCurrentInstance, onMounted, reactive, watchEffect } from "vue";
import { useRoute, useRouter } from "vue-router";
import Loading from "@/components/Loading.vue";

const { proxy } = getCurrentInstance();
const route = useRoute();
const router = useRouter();

const RANKTYPE = [
  {
    name: "TOP榜",
    type: "Top",
  },
  {
    name: "特色榜",
    type: "Feature",
  },
  {
    name: "场景榜",
    type: "Other",
  },
];

const info = reactive({
  category: [], // 右侧分类导航列表
  isLoading: true,
  rankInfo: {},
  songList: [],
  total: 0,
  loading: true,
});

// 获取排行榜场景列表
const getRankTypeList = async () => {
  const { data: res } = await proxy.$http.topListDetail();

  if (res.code !== 200) {
    return proxy.$msg.error("数据请求失败");
  }

  RANKTYPE.forEach((rankinfo) => {
    let obj = {};

    obj["title"] = rankinfo.name;
    obj["list"] = res.list.filter((item) => {
      let flag = false;

      switch (rankinfo.type) {
        case "Top": // 云音乐TOP榜
          flag = item.ToplistType;
          break;
        case "Feature": // 云音乐特色榜
          flag = !item.ToplistType && item.name.indexOf("云音乐") >= 0;
          break;
        case "Other": // 其他场景榜
          flag = !item.ToplistType && item.name.indexOf("云音乐") < 0;
          break;
      }
      return flag;
    });

    info["category"].push(obj);
    info["rId"] = info.rId ? info.rId : info.category[0].list[0].id;
  });
};
// 切换排行榜
const selectItem = (item) => {
  info.rId = item.id;
  router.push({ path: "rank", query: { rId: info.rId } });
};

const getListDetail = async () => {
  info["isLoading"] = true;
  const { data: res } = await proxy.$http.playListDetail({
    id: info.rId,
    s: -1,
  });

  if (res.code !== 200) {
    return proxy.$msg.error("数据请求失败");
  }

  info["rankInfo"] = res.playlist;
  info["songList"] = proxy.$utils.formatSongs(
    res.playlist.tracks,
    res.privileges
  );
  info["total"] = info.songList.length;
  info["isLoading"] = false;
  info["loading"] = false;
};

onMounted(() => {
  info.rId = route.query.rId;
  getRankTypeList();
});

watchEffect(() => {
  if (info.rId) {
    info.loading = true;
    getListDetail();
  }
});
</script>

<template>
  <div class="rank">
    <div class="rank-container">
      <div class="rank-main">
        <el-skeleton
          class="cover"
          :loading="info.loading"
          animated
          :throttle="500"
        >
          <template #template>
            <el-skeleton-item variant="image" class="cover-img" />
            <div class="cover-info">
              <el-skeleton-item variant="h3" class="skeleton-title" />
              <div class="cover-author">
                <el-skeleton-item variant="image" class="cover-avatar" />
                <el-skeleton-item
                  variant="p"
                  class="cover-name"
                  style="width: 10%"
                />
                <el-skeleton-item
                  variant="p"
                  class="cover-date"
                  style="width: 10%"
                />
              </div>
              <div class="cover-digital">
                <el-skeleton-item
                  variant="p"
                  class="cover-playCount"
                  style="width: 25%"
                />
                <el-skeleton-item
                  variant="p"
                  class="cover-collect"
                  style="width: 25%"
                />
                <el-skeleton-item
                  variant="p"
                  class="cover-comment"
                  style="width: 25%"
                />
              </div>
              <div class="cover-desc">
                <el-skeleton-item
                  variant="p"
                  class="cover-desc-title"
                  style="width: 10%"
                />
                <el-skeleton-item
                  variant="text"
                  class="skeleton-desc-text"
                  style="width: 100%"
                />
                <el-skeleton-item
                  variant="text"
                  class="skeleton-desc-text"
                  style="width: 70%"
                />
              </div>
            </div>
          </template>
          <template #default>
            <div class="cover">
              <div class="cover-img">
                <el-image :src="info.rankInfo.coverImgUrl">
                  <div slot="placeholder" class="image-slot">
                    <i class="iconfont icon-placeholder"></i>
                  </div>
                </el-image>
              </div>
              <div class="cover-info">
                <div class="cover-header">
                  <div class="cover-title">
                    {{ info.rankInfo.name }}
                    <span
                      >({{
                        $utils.formartDate(info.rankInfo.updateTime, "MM月dd日")
                      }}
                      更新)</span
                    >
                  </div>
                </div>
                <div class="cover-author" v-if="info.rankInfo.creator">
                  <el-image
                    :src="info.rankInfo.creator.avatarUrl"
                    class="cover-avatar"
                  >
                    <div slot="placeholder" class="image-slot">
                      <i class="iconfont icon-placeholder"></i>
                    </div>
                  </el-image>
                  <div class="cover-name">
                    {{ info.rankInfo.creator.nickname }}
                  </div>
                  <div class="cover-date">
                    {{
                      $utils.formartDate(info.rankInfo.createTime, "yyyy-MM-dd")
                    }}
                  </div>
                </div>
                <div class="cover-digital">
                  <span class="cover-playCount"
                    ><i class="iconfont icon-playnum"></i>
                    {{ $utils.formartNum(info.rankInfo.playCount) }}次</span
                  >
                  <span class="cover-collect"
                    ><i class="iconfont icon-collect"></i>
                    {{ $utils.formartNum(info.rankInfo.subscribedCount) }}</span
                  >
                  <span class="cover-comment"
                    ><i class="iconfont icon-comment"></i>
                    {{ $utils.formartNum(info.rankInfo.commentCount) }}</span
                  >
                </div>
                <div class="cover-desc">
                  <h5 class="cover-desc-title">歌单简介</h5>
                  <p
                    class="cover-desc-text"
                    v-html="info.rankInfo.description"
                  ></p>
                </div>
              </div>
            </div>
          </template>
        </el-skeleton>
        <div class="song-main">
          <div class="song-header">
            <h4>
              歌曲列表 <em>{{ info.total + "首歌" }}</em>
            </h4>
            <span class="play-all"
              ><i class="iconfont icon-audio-play"></i> 播放全部</span
            >
            <span :class="['collect', info.rankInfo.subscribed ? 'active' : '']"
              ><i
                :class="[
                  'iconfont',
                  'icon-collect' + (info.rankInfo.subscribed ? '-active' : ''),
                ]"
              ></i>
              {{ info.rankInfo.subscribed ? "已收藏" : "收藏" }}</span
            >
          </div>
          <template v-if="info.isLoading">
            <Loading />
          </template>
          <template v-else>
            <song-list :songList="info.songList"></song-list>
          </template>
        </div>
      </div>
      <div class="rank-aside">
        <div
          class="rank-aside-nav"
          v-for="item in info.category"
          :key="item.title"
        >
          <div class="rank-aside-title">
            {{ item.title }}
          </div>
          <div class="rank-aside-main">
            <div
              class="rank-aside-item"
              :class="{ active: info.rId == list.id }"
              v-for="(list, index) in item.list"
              :key="index"
              @click="selectItem(list)"
            >
              <el-image class="item-img" :src="list.coverImgUrl">
                <div slot="placeholder" class="image-slot">
                  <i class="iconfont icon-placeholder"></i>
                </div>
              </el-image>
              <div class="item-info">
                <div class="item-title">
                  {{ list.name }}
                </div>
                <div class="item-time">
                  {{ list.updateFrequency }}
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<style lang="less" scoped>
.rank-container {
  display: flex;
  padding: 35px 0 0 0;
}
.rank-main {
  flex: 1;
  padding-bottom: 45px;
}

.cover {
  display: flex;
  box-shadow: var(--t-modal-shadow);
  background: var(--box-background);
  border-radius: var(--border-radius);
}

.cover-img {
  display: flex;
  align-items: center;
  width: 200px;
  height: 200px;
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  overflow: hidden;
  flex-shrink: 0;

  .el-image {
    width: 100%;
    height: 100%;
  }
}

.cover-info {
  flex: 1;
  padding: 20px 20px 10px;
  font-size: 0;
  border-radius: var(--border-radius);

  .cover-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .cover-title {
    flex: 1;
    font-size: 24px;
    height: 24px;
    line-height: 24px;
    color: var(--t-muted-color);

    span {
      display: inline-block;
      padding-left: 10px;
      font-weight: normal;
      line-height: 22px;
      font-size: 14px;
      font-weight: 300;
      color: var(--t-light-color);
    }
  }
}
.cover-author-tags {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cover-author {
  display: flex;
  align-items: center;
  padding: 15px 0 5px;

  .cover-avatar {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 100%;
    vertical-align: top;
    flex-shrink: 0;
  }

  .cover-name,
  .cover-date {
    display: inline-block;
    margin: 0 5px;
    font-size: 14px;
    font-weight: 300;
    color: var(--t-muted-color);
  }

  .cover-date {
    color: var(--t-light-color);
  }
}
.cover-playCount,
.cover-collect,
.cover-comment {
  display: inline-block;
  margin-right: 20px;
  line-height: 16px;
  font-size: 14px;
  font-weight: 300;
  color: var(--t-light-color);

  i {
    vertical-align: top;
    color: var(--t-light-color);
  }
}
.cover-desc {
  position: relative;

  .cover-desc-title {
    margin: 20px 0 5px;
    line-height: 14px;
    font-size: 14px;
    font-weight: 400;
    color: var(--t-light-color);
  }

  .cover-desc-text {
    line-height: 22px;
    font-size: 14px;
    color: var(--t-light-color);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-all;
    font-weight: 300;
  }
}

.song-main {
  position: relative;
  // padding: 0 20px;
  margin-top: 25px;
  // background: var(--box-background);
  border-radius: var(--border-radius);
  // box-shadow: var(--t-modal-shadow);
}
.song-header {
  display: flex;
  padding: 20px 0 10px;

  h4 {
    flex: 1;
    font-size: 20px;
    line-height: 30px;
    font-weight: 400;
    color: var(--t-muted-color);

    em {
      display: inline-block;
      padding-left: 10px;
      font-size: 12px;
      line-height: 12px;
      font-style: normal;
      font-weight: 300;
      color: var(--t-light-color);
      vertical-align: baseline;
    }
  }

  span {
    display: flex;
    line-height: 16px;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    padding: 7px 20px 7px 16px;
    cursor: pointer;
    margin: 0 0 0 15px;
    transition: all 0.4s;
    background: var(--btn-background);
    color: var(--t-light-color);

    i {
      margin-right: 5px;
      color: var(--t-light-color);
    }
  }

  .play-all {
    color: var(--white-color);
    background: var(--t-highlight-color);

    i {
      color: var(--white-color);
    }
  }

  .collect.active,
  .collect.active i {
    color: var(--color-text-height);
  }
}

.rank-aside {
  width: @sideWidth;
  padding-bottom: 25px;
  flex-shrink: 0;
  padding-left: @paddingW;
}

.rank-aside-nav {
  font-size: 0;

  .rank-aside-title {
    font-size: 16px;
    line-height: 16px;
    padding: 0 10px 20px;
    color: var(--t-text-color);

    &::before {
      display: inline-block;
      content: "";
      width: 3px;
      height: 16px;
      margin-right: 5px;
      background: var(--t-muted-color);
      vertical-align: top;
      border-radius: var(--border-radius);
    }
  }

  .rank-aside-main {
    display: flex;
    flex-wrap: wrap;
  }

  .rank-aside-item {
    display: flex;
    width: calc(50% - 20px);
    padding: 10px;
    cursor: pointer;

    &.active {
      background: var(--t-highlight-color);
      border-radius: var(--border-radius);

      .item-title,
      .item-time {
        color: var(--white-color);
      }
    }
  }

  .item-img {
    flex-shrink: 0;
    width: 29px;
    height: 29px;
    border-radius: var(--border-radius);
  }

  .item-info {
    width: calc(100% - 50px);
    padding-left: 5px;
  }

  .item-title {
    font-size: 12px;
    line-height: 12px;
    padding-bottom: 5px;
    color: var(--t-muted-color);
    width: 100%;
    font-weight: 400;
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    vertical-align: top;
  }

  .item-time {
    font-size: 12px;
    line-height: 12px;
    font-weight: 300;
    color: var(--t-light-color);
  }
}

.rank-aside-nav {
  padding: 0 10px 10px;
  margin-bottom: 20px;
  // box-shadow: var(--t-modal-shadow);
  // background: var(--box-background);
  border-radius: var(--border-radius);
}

.skeleton-title {
  width: 50%;
  height: 24px;
}
.skeleton-desc-text {
  line-height: 22px;
  margin: 8px 0 0;
}
</style>
